Wafer Type Dual Plate Swing Check Valve
Wafer Type Dual Plate Check Valves are unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service operation, their retainer plates will automatically close if fluid is pushed back.
Nominal diameter: 1/2" ~ 8" (DN15 ~ DN200)
Pressure range: Class 150 ~ Class 900 (PN16 ~ PN150)
Working temperature: -196℃ ~ 560℃
Body material: carbon steel, stainless steel, alloy steel, bronze
End Connection: RF, RTJ
Inspection and test: API598, JB/T9092;
Design and manufacture: API594, API 6D, JB/TB8937;
Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74;
Pipe flange: JB/T74~90, HG20592~20635, SH3406, DIN2543~2548, GB/T13402, API605, ASME B16.47.